ZIP Code 50602

50602 is one of Iowa's ZIP codes, delivering to addresses in Allison, Butler County.

City: Allison
County: Butler County
State: Iowa
Prefix: 506xx

Where this code sits

50602 is part of the 506xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Allison.

Allison Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50602 delivers to without sharing its boundary.

ZIP codes nearest 50602

The ZIP codes whose reference points sit closest to 50602.
ZIP code	Distance	Delivers to
ZIP code 50611	5.3 mi	Bristow, IA
ZIP code 50619	7.0 mi	Clarksville, IA
ZIP code 50636	9.3 mi	Greene, IA
ZIP code 50649	9.4 mi	Kesley, IA
ZIP code 50625	9.5 mi	Dumont, IA
ZIP code 50670	11 mi	Shell Rock, IA
ZIP code 50604	13 mi	Aplington, IA
ZIP code 50605	13 mi	Aredale, IA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 50602, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 50602. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.